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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "androidfw/LoadedArsc.h"
#include "android-base/file.h"
#include "androidfw/ResourceUtils.h"
#include "TestHelpers.h"
#include "data/basic/R.h"
#include "data/libclient/R.h"
#include "data/overlayable/R.h"
#include "data/sparse/R.h"
#include "data/styles/R.h"
namespace app = com::android::app;
namespace basic = com::android::basic;
namespace libclient = com::android::libclient;
namespace overlayable = com::android::overlayable;
namespace sparse = com::android::sparse;
using ::android::base::ReadFileToString;
using ::testing::Eq;
using ::testing::Ge;
using ::testing::IsNull;
using ::testing::NotNull;
using ::testing::SizeIs;
using ::testing::StrEq;
namespace android {
TEST(LoadedArscTest, LoadSinglePackageArsc) {
std::string contents;
ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/styles/styles.apk", "resources.arsc",
&contents));
std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(StringPiece(contents));
ASSERT_THAT(loaded_arsc, NotNull());
const LoadedPackage* package =
loaded_arsc->GetPackageById(get_package_id(app::R::string::string_one));
ASSERT_THAT(package, NotNull());
EXPECT_THAT(package->GetPackageName(), StrEq("com.android.app"));
EXPECT_THAT(package->GetPackageId(), Eq(0x7f));
const uint8_t type_index = get_type_id(app::R::string::string_one) - 1;
const uint16_t entry_index = get_entry_id(app::R::string::string_one);
const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(type_index);
ASSERT_THAT(type_spec, NotNull());
ASSERT_THAT(type_spec->type_count, Ge(1u));
const ResTable_type* type = type_spec->types[0];
ASSERT_THAT(type, NotNull());
ASSERT_THAT(LoadedPackage::GetEntry(type, entry_index), NotNull());
}
TEST(LoadedArscTest, LoadSparseEntryApp) {
std::string contents;
ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/sparse/sparse.apk", "resources.arsc",
&contents));
std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(StringPiece(contents));
ASSERT_THAT(loaded_arsc, NotNull());
const LoadedPackage* package =
loaded_arsc->GetPackageById(get_package_id(sparse::R::integer::foo_9));
ASSERT_THAT(package, NotNull());
const uint8_t type_index = get_type_id(sparse::R::integer::foo_9) - 1;
const uint16_t entry_index = get_entry_id(sparse::R::integer::foo_9);
const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(type_index);
ASSERT_THAT(type_spec, NotNull());
ASSERT_THAT(type_spec->type_count, Ge(1u));
const ResTable_type* type = type_spec->types[0];
ASSERT_THAT(type, NotNull());
ASSERT_THAT(LoadedPackage::GetEntry(type, entry_index), NotNull());
}
TEST(LoadedArscTest, LoadSharedLibrary) {
std::string contents;
ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/lib_one/lib_one.apk", "resources.arsc",
&contents));
std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(StringPiece(contents));
ASSERT_THAT(loaded_arsc, NotNull());
const auto& packages = loaded_arsc->GetPackages();
ASSERT_THAT(packages, SizeIs(1u));
EXPECT_TRUE(packages[0]->IsDynamic());
EXPECT_THAT(packages[0]->GetPackageName(), StrEq("com.android.lib_one"));
EXPECT_THAT(packages[0]->GetPackageId(), Eq(0));
const auto& dynamic_pkg_map = packages[0]->GetDynamicPackageMap();
// The library has no dependencies.
ASSERT_TRUE(dynamic_pkg_map.empty());
}
TEST(LoadedArscTest, LoadAppLinkedAgainstSharedLibrary) {
std::string contents;
ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/libclient/libclient.apk",
"resources.arsc", &contents));
std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(StringPiece(contents));
ASSERT_THAT(loaded_arsc, NotNull());
const auto& packages = loaded_arsc->GetPackages();
ASSERT_THAT(packages, SizeIs(1u));
EXPECT_FALSE(packages[0]->IsDynamic());
EXPECT_THAT(packages[0]->GetPackageName(), StrEq("com.android.libclient"));
EXPECT_THAT(packages[0]->GetPackageId(), Eq(0x7f));
const auto& dynamic_pkg_map = packages[0]->GetDynamicPackageMap();
// The library has two dependencies.
ASSERT_THAT(dynamic_pkg_map, SizeIs(2u));
EXPECT_THAT(dynamic_pkg_map[0].package_name, StrEq("com.android.lib_one"));
EXPECT_THAT(dynamic_pkg_map[0].package_id, Eq(0x02));
EXPECT_THAT(dynamic_pkg_map[1].package_name, StrEq("com.android.lib_two"));
EXPECT_THAT(dynamic_pkg_map[1].package_id, Eq(0x03));
}
TEST(LoadedArscTest, LoadAppAsSharedLibrary) {
std::string contents;
ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/appaslib/appaslib.apk",
"resources.arsc", &contents));
std::unique_ptr<const LoadedArsc> loaded_arsc =
LoadedArsc::Load(StringPiece(contents), nullptr /*loaded_idmap*/, false /*system*/,
true /*load_as_shared_library*/);
ASSERT_THAT(loaded_arsc, NotNull());
const auto& packages = loaded_arsc->GetPackages();
ASSERT_THAT(packages, SizeIs(1u));
EXPECT_TRUE(packages[0]->IsDynamic());
EXPECT_THAT(packages[0]->GetPackageId(), Eq(0x7f));
}
TEST(LoadedArscTest, LoadFeatureSplit) {
std::string contents;
ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/feature/feature.apk", "resources.arsc",
&contents));
std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(StringPiece(contents));
ASSERT_THAT(loaded_arsc, NotNull());
const LoadedPackage* package =
loaded_arsc->GetPackageById(get_package_id(basic::R::string::test3));
ASSERT_THAT(package, NotNull());
uint8_t type_index = get_type_id(basic::R::string::test3) - 1;
uint8_t entry_index = get_entry_id(basic::R::string::test3);
const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(type_index);
ASSERT_THAT(type_spec, NotNull());
ASSERT_THAT(type_spec->type_count, Ge(1u));
ASSERT_THAT(type_spec->types[0], NotNull());
size_t len;
const char16_t* type_name16 =
package->GetTypeStringPool()->stringAt(type_spec->type_spec->id - 1, &len);
ASSERT_THAT(type_name16, NotNull());
EXPECT_THAT(util::Utf16ToUtf8(StringPiece16(type_name16, len)), StrEq("string"));
ASSERT_THAT(LoadedPackage::GetEntry(type_spec->types[0], entry_index), NotNull());
}
// AAPT(2) generates resource tables with chunks in a certain order. The rule is that
// a RES_TABLE_TYPE_TYPE with id `i` must always be preceded by a RES_TABLE_TYPE_SPEC_TYPE with
// id `i`. The RES_TABLE_TYPE_SPEC_TYPE does not need to be directly preceding, however.
//
// AAPT(2) generates something like:
// RES_TABLE_TYPE_SPEC_TYPE id=1
// RES_TABLE_TYPE_TYPE id=1
// RES_TABLE_TYPE_SPEC_TYPE id=2
// RES_TABLE_TYPE_TYPE id=2
//
// But the following is valid too:
// RES_TABLE_TYPE_SPEC_TYPE id=1
// RES_TABLE_TYPE_SPEC_TYPE id=2
// RES_TABLE_TYPE_TYPE id=1
// RES_TABLE_TYPE_TYPE id=2
//
TEST(LoadedArscTest, LoadOutOfOrderTypeSpecs) {
std::string contents;
ASSERT_TRUE(
ReadFileFromZipToString(GetTestDataPath() + "/out_of_order_types/out_of_order_types.apk",
"resources.arsc", &contents));
std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(StringPiece(contents));
ASSERT_THAT(loaded_arsc, NotNull());
ASSERT_THAT(loaded_arsc->GetPackages(), SizeIs(1u));
const auto& package = loaded_arsc->GetPackages()[0];
ASSERT_THAT(package, NotNull());
const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(0);
ASSERT_THAT(type_spec, NotNull());
ASSERT_THAT(type_spec->type_count, Ge(1u));
ASSERT_THAT(type_spec->types[0], NotNull());
type_spec = package->GetTypeSpecByTypeIndex(1);
ASSERT_THAT(type_spec, NotNull());
ASSERT_THAT(type_spec->type_count, Ge(1u));
ASSERT_THAT(type_spec->types[0], NotNull());
}
class MockLoadedIdmap : public LoadedIdmap {
public:
MockLoadedIdmap() : LoadedIdmap() {
local_header_.magic = kIdmapMagic;
local_header_.version = kIdmapCurrentVersion;
local_header_.target_package_id = 0x08;
local_header_.type_count = 1;
header_ = &local_header_;
entry_header = util::unique_cptr<IdmapEntry_header>(
(IdmapEntry_header*)::malloc(sizeof(IdmapEntry_header) + sizeof(uint32_t)));
entry_header->target_type_id = 0x03;
entry_header->overlay_type_id = 0x02;
entry_header->entry_id_offset = 1;
entry_header->entry_count = 1;
entry_header->entries[0] = 0x00000000u;
type_map_[entry_header->overlay_type_id] = entry_header.get();
}
private:
Idmap_header local_header_;
util::unique_cptr<IdmapEntry_header> entry_header;
};
TEST(LoadedArscTest, LoadOverlay) {
std::string contents;
ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/overlay/overlay.apk", "resources.arsc",
&contents));
MockLoadedIdmap loaded_idmap;
std::unique_ptr<const LoadedArsc> loaded_arsc =
LoadedArsc::Load(StringPiece(contents), &loaded_idmap);
ASSERT_THAT(loaded_arsc, NotNull());
const LoadedPackage* package = loaded_arsc->GetPackageById(0x08u);
ASSERT_THAT(package, NotNull());
const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(0x03u - 1);
ASSERT_THAT(type_spec, NotNull());
ASSERT_THAT(type_spec->type_count, Ge(1u));
ASSERT_THAT(type_spec->types[0], NotNull());
// The entry being overlaid doesn't exist at the original entry index.
ASSERT_THAT(LoadedPackage::GetEntry(type_spec->types[0], 0x0001u), IsNull());
// Since this is an overlay, the actual entry ID must be mapped.
ASSERT_THAT(type_spec->idmap_entries, NotNull());
uint16_t target_entry_id = 0u;
ASSERT_TRUE(LoadedIdmap::Lookup(type_spec->idmap_entries, 0x0001u, &target_entry_id));
ASSERT_THAT(target_entry_id, Eq(0x0u));
ASSERT_THAT(LoadedPackage::GetEntry(type_spec->types[0], 0x0000), NotNull());
}
TEST(LoadedArscTest, LoadOverlayable) {
std::string contents;
ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/overlayable/overlayable.apk",
"resources.arsc", &contents));
std::unique_ptr<const LoadedArsc> loaded_arsc =
LoadedArsc::Load(StringPiece(contents), nullptr /*loaded_idmap*/, false /*system*/,
false /*load_as_shared_library*/);
ASSERT_THAT(loaded_arsc, NotNull());
const LoadedPackage* package = loaded_arsc->GetPackageById(
get_package_id(overlayable::R::string::not_overlayable));
const OverlayableInfo* info = package->GetOverlayableInfo(
overlayable::R::string::not_overlayable);
ASSERT_THAT(info, IsNull());
info = package->GetOverlayableInfo(overlayable::R::string::overlayable1);
ASSERT_THAT(info, NotNull());
EXPECT_THAT(info->policy_flags, Eq(ResTable_overlayable_policy_header::POLICY_PUBLIC));
info = package->GetOverlayableInfo(overlayable::R::string::overlayable2);
ASSERT_THAT(info, NotNull());
EXPECT_THAT(info->policy_flags,
Eq(ResTable_overlayable_policy_header::POLICY_SYSTEM_PARTITION
| ResTable_overlayable_policy_header::POLICY_PRODUCT_PARTITION));
info = package->GetOverlayableInfo(overlayable::R::string::overlayable3);
ASSERT_THAT(info, NotNull());
EXPECT_THAT(info->policy_flags,
Eq(ResTable_overlayable_policy_header::POLICY_VENDOR_PARTITION
| ResTable_overlayable_policy_header::POLICY_PRODUCT_SERVICES_PARTITION
| ResTable_overlayable_policy_header::POLICY_PRODUCT_PARTITION));
info = package->GetOverlayableInfo(overlayable::R::string::overlayable4);
ASSERT_THAT(info, NotNull());
EXPECT_THAT(info->policy_flags, Eq(ResTable_overlayable_policy_header::POLICY_PUBLIC));
}
TEST(LoadedArscTest, ResourceIdentifierIterator) {
std::string contents;
ASSERT_TRUE(
ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk", "resources.arsc", &contents));
std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(StringPiece(contents));
ASSERT_NE(nullptr, loaded_arsc);
const std::vector<std::unique_ptr<const LoadedPackage>>& packages = loaded_arsc->GetPackages();
ASSERT_EQ(1u, packages.size());
EXPECT_EQ(std::string("com.android.basic"), packages[0]->GetPackageName());
const auto& loaded_package = packages[0];
auto iter = loaded_package->begin();
auto end = loaded_package->end();
ASSERT_NE(end, iter);
ASSERT_EQ(0x7f010000u, *iter++);
ASSERT_EQ(0x7f010001u, *iter++);
ASSERT_EQ(0x7f020000u, *iter++);
ASSERT_EQ(0x7f020001u, *iter++);
ASSERT_EQ(0x7f030000u, *iter++);
ASSERT_EQ(0x7f030001u, *iter++);
ASSERT_EQ(0x7f030002u, *iter++); // note: string without default, excluded by aapt2 dump
ASSERT_EQ(0x7f040000u, *iter++);
ASSERT_EQ(0x7f040001u, *iter++);
ASSERT_EQ(0x7f040002u, *iter++);
ASSERT_EQ(0x7f040003u, *iter++);
ASSERT_EQ(0x7f040004u, *iter++);
ASSERT_EQ(0x7f040005u, *iter++);
ASSERT_EQ(0x7f040006u, *iter++);
ASSERT_EQ(0x7f040007u, *iter++);
ASSERT_EQ(0x7f040008u, *iter++);
ASSERT_EQ(0x7f040009u, *iter++);
ASSERT_EQ(0x7f04000au, *iter++);
ASSERT_EQ(0x7f04000bu, *iter++);
ASSERT_EQ(0x7f04000cu, *iter++);
ASSERT_EQ(0x7f04000du, *iter++);
ASSERT_EQ(0x7f050000u, *iter++);
ASSERT_EQ(0x7f050001u, *iter++);
ASSERT_EQ(0x7f060000u, *iter++);
ASSERT_EQ(0x7f070000u, *iter++);
ASSERT_EQ(0x7f070001u, *iter++);
ASSERT_EQ(0x7f070002u, *iter++);
ASSERT_EQ(0x7f070003u, *iter++);
ASSERT_EQ(end, iter);
}
// structs with size fields (like Res_value, ResTable_entry) should be
// backwards and forwards compatible (aka checking the size field against
// sizeof(Res_value) might not be backwards compatible.
TEST(LoadedArscTest, LoadingShouldBeForwardsAndBackwardsCompatible) { ASSERT_TRUE(false); }
} // namespace android